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STOCK INCENTIVE PLAN (Tables) | 12 Months Ended
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Sep. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Assumptions | The assumptions used in the Black-Scholes option pricing model to value the options granted were as follows:
|  | Fiscal Year Ended
|  | September 30, 2025 |  | September 30, 2024 |  | September 30, 2023
Expected dividend yield (a) |  | n/a |  | n/a |  | — | %
Expected volatility |  | n/a |  | n/a |  | 51 | %
Range of risk-free interest rates |  | n/a |  | n/a |  | 3.92%
Range of expected option lives |  | n/a |  | n/a |  | 6 years
(a) No options were issued in fiscal 2024 and fiscal 2025. |  |  |  |  |  |
The assumptions used in the Monte-Carlo method to value the performance share awards granted during the fiscal year ended September 30, 2025 were as follows:
|  | September 30, 2025 |  | September 30, 2024 |  | September 30, 2023
Expected dividend yield |  | — | % |  | — | % |  | — | %
Expected volatility |  | 46 | % |  | 47 | % |  | 68%
Risk free interest rates |  | 4.21 | % |  | 4.77 | % |  | 4.15 | %
Expected life |  | 3 years |  | 3 years |  | 3 years
Fair value |  | $114.57 |  | $162.15 |  | $121.52
Schedule of Stock Option Activity | Stock option activity for the period September 30, 2022 to September 30, 2025 was as follows:
| Shares (in thousands) |  | Weighted-Average Exercise Price |  | Weighted-Average Grant Date Fair Value |  | Aggregate Intrinsic Value (in thousands) |  | Weighted-Average Remaining Contractual Term (in years)
Outstanding as of September 30, 2022 | 713 |  |  | $ | 26.00 |  |  | $ | 13.29 |  |  | $ | 38,062 |  |  | 5.22
Granted | 51 |  |  | $ | 101.66 |  |  | $ | 54.06 |  |  |  |  |
Exercised | (74) |  |  | $ | 13.26 |  |  | $ | 9.56 |  |  | $ | 9,201 |  |  |
Forfeited | — |  |  | — |  |  |  |  |  |  |
Outstanding as of September 30, 2023 | 690 |  |  | $ | 32.93 |  |  | $ | 16.69 |  |  | $ | 80,152 |  |  | 9.75
Granted | — |  |  | $ | — |  |  | $ | — |  |  |  |  |
Exercised | (253) |  |  | $ | 18.46 |  |  | $ | 10.78 |  |  | $ | 33,270 |  |  |
Forfeited | (12) |  |  | 103.67 |  |  |  |  |  |  |
Outstanding as of September 30, 2024 | 425 |  |  | $ | 39.59 |  |  | $ | 19.23 |  |  | $ | 20,584 |  |  | 11.52
Granted | — |  |  | $ | — |  |  | $ | — |  |  |  |  |
Exercised | (13) |  |  | $ | 11.18 |  |  | $ | 8.44 |  |  | $ | 888 |  |  |
Forfeited | — |  |  | $ | — |  |  |  |  |  |  |
Outstanding as of September 30, 2025 | 412 |  |  | $ | 40.46 |  |  | $ | 19.56 |  |  | $ | 12,238 |  |  | 10.84
Exercisable as of September 30, 2025 | 397 |  |  | $ | 38.17 |  |  |  |  | $ | 12,238 |  |  | 8.47
Schedule of Nonvested Share Activity | Changes to the Company’s nonvested RSU awards for the year ended September 30, 2025 were as follows:
|  | Shares (in thousands) |  | Weighted-average grant-date fair value |
Nonvested as of September 30, 2022 |  | 262 |  |  | $ | 58.72 |  |
Granted |  | 138 |  |  | 102.71 |  |
Vested |  | (144) |  |  | 47.43 |  |
Forfeited |  | (10) |  |  | 84.89 |  |
Nonvested as of September 30, 2023 |  | 246 |  |  | $ | 86.16 |  |
Granted |  | 157 |  |  | 127.99 |  |
Vested |  | (134) |  |  | 72.62 |  |
Forfeited |  | (30) |  |  | 115.57 |  |
Dividends |  | 1 |  |  | 118.89 |  |
Nonvested as of September 30, 2024 |  | 240 |  |  | $ | 117.81 |  |
Granted |  | 251 |  |  | 84.08 |  |
Vested |  | (123) |  |  | 114.49 |  |
Forfeited |  | (33) |  |  | 104.39 |  |
Dividends |  | 7 |  |  | 96.60 |  |
Nonvested as of September 30, 2025 |  | 342 |  |  | $ | 95.14 |  |
Changes to the Company’s non-vested PSU awards for the year ended September 30, 2025 were as follows:
|  | Shares (in thousands) |  | Weighted-average grant-date fair value
Nonvested as of September 30, 2022 |  | 313 |  |  | $ | 48.19 |
Granted |  | 69 |  |  | 110.71 |
Vested |  | (190) |  |  | 39.94 |
Adjustment for achieved performance upon issuance |  | 83 |  |  | 39.31 |
Forfeited |  | (1) |  |  | 31.67 |
Nonvested as of September 30, 2023 |  | 273 |  |  | $ | 67.02 |
Granted |  | 67 |  |  | 151.18 |
Vested |  | (269) |  |  | 31.39 |
Added by Dividends |  | 1 |  |  | 126.08 |
Adjustment for achieved performance upon issuance |  | 117 |  |  | 31.02 |
Forfeited |  | (24) |  |  | 125.08 |
Nonvested as of September 30, 2024 |  | 165 |  |  | $ | 126.17 |
Granted |  | 114 |  |  | 105.02 |
Vested |  | (60) |  |  | 109.22 |
Added by Dividends |  | 4 |  |  | 118.30 |
Adjustment for achieved performance upon issuance |  | 24 |  |  | 105.94 |
Forfeited |  | (17) |  |  | 118.00 |
Nonvested as of September 30, 2025 |  | 230 |  |  | $ | 118.44 |

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